Discovery of the Ventral Structure of Taxocrinus and Haplocrinus, and Consequent Modifications in the Classification of the Crinoidea
| Autor: | Wachsmuth, Charles, Springer, Frank |
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| Zdroj: | Proceedings of the Academy of Natural Sciences of Philadelphia, 1888 Jan 01. 40, 337-363. |
| Databáze: | JSTOR Journals |
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